Worm-gearing.



A T. BOSSERT.

WORM GEARING.

APPLICATION FILED FEB-5,1912

1,146,995 Patented July 20, 1915.

I0 ZL WITNESSES: INl/E/V TOR A TTORNEY COLUMBIA PLANDORAPH co.,WASHINGTON D c uni sr An'r ALBERT T. IBOSSERT, OF KANSAS CITY, MISSOURI,ASSIGNOR T0 SMITH & SONS MFG. 00., OF KANSAS CITY, MISSOURI.

WORM-GEARING.

Specification of Letters Patent.

Patented July 20, 1915.

Application filed February 5, 1912. Serial No. 675,448.

and useful Improvements in Worm-Gearing, of which the following is aspecification. My invention relates to improvements in Worm gearing andwhile it is susceptible to other uses, it is particularly adapted tocontrol the opening and closing of the doors of bottom dump wagons.

In order that the invention may be fully understood, reference will nowbe made to the accompanying drawings in which:

Figure 1 is an enlarged central section of the self-locking gearing andits mountings, forming the important features of the invention, on lineII of Fig. 2, and Fig. 2 is a detail plan view of the self-lockinggearing and its mountings.

1 designates a broken side of a bottom dumping wagon provided with ajournaled shaft 6. Shaft 6 extends through a frame 9, forming one of thefeatures of my invention, said frame being secured to the inner side ofone of the side boards of the body 1, by bolts 10, and provided with aleg 11 resting upon a stay-bolt 12, connectingthe side boards of saidbody 1.

13 designates a worm-wheel arranged within frame 9 and keyed upon shaft6.

14 designates a worm which, with the wor1n-wheel 13, forms theself-locking gearing, above referred to, for controlling the opening andclosing operation of the doors. Worm 14 is journaled in a member 15 andprovided at its reduced rear portion with a hand-wheel 16 whereby it maybe rotated to the right or to the left. Member 15 is pivotally-securedby a pin or bolt 17 to the rear end of frame 9 and provided atitsforward end with a lip 18, normally-engaged by a shoulder on a lever 19fulcrumed at its lower end upon a pin or bolt 20, extending through theforward portion of frame 9.

21 designates a stop secured to the forward portion of frame 9, to limitthe downward movement of lever 19, the lower portion of which has aninwardly-extending nose 22, which contacts with said stop when the leveris swung downward. When the lever is swung downward, as described, nose22 moves upward into engagement with the underside of lip 18, and raisesmember 15 until worm l'is thrown out of mesh with the worm-wheel 13.

By employing the hand-wheel 16 to operate the' worm 14, the same may berotated continuously in one direction when closing the doors, of a dumpwagon, and thus complete the closing operation more rapidly than wherean oscillatory motion, such as is had with the usual ratchet-levermechanism, is employed.

Having thus described my invention what I claim, and desire to secure byLetters Patent, is:

A device of the character described, consisting of a shaft, a worm-wheelmounted upon said shaft, a frame adjacent said worm-wheel, a worm tocontrol said wormwheel, a member pivotally-mounted at one end on theframe and in which said worm is journaled, said frame acting as a stopfor the free end of the pivoted member when the worm is in mesh with theworm-wheel, a hand-wheel to rotate said worm, a hand lever to normallylook the pivotal member from movement, said hand-lever having a nose toraise the pivoted member and lift the worm out of mesh with theworm-wheel, a lip on the free end of the pivoted member, and a shoulderon the hand-lever to engage said lip and lock the free end of saidpivoted member upon the frame.

In testimony whereof I affix my signature, in the presence of twowitnesses.

ALBERT T. BOSSERT.

Witnesses:

F. G. FISCHER, E. C. LILLIAN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

